[ARC5] An "Extra Class" Question:

[Geoff]

Ive no idea what the FCC called it but Ive heard that is true from tube and 
high power commercial TX engineers.

Carl


----- Original Message ----- 
From: "john rose" <brokenthumb at live.com>
To: "arc5 mail list" <arc5 at mailman.qth.net>
Sent: Saturday, February 09, 2013 8:13 PM
Subject: Re: [ARC5] An "Extra Class" Question:


>
> The First Class and General Commercial test is to license someone to 
> operate, and keep legal, AM and FM stations. I would expect there to be 
> lots of AM questions still on the exam. I remember only one question and 
> that related to the tradition of occasionally reversing the leads to the 
> heaters if DC was being used. The theory was that with the current only 
> going in one direction one end of the heater would deteriorate before the 
> other. Reverse them and even the wear out. True or false? I forget the 
> answer.
>
> ----------------------------------------
>> Date: Sat, 9 Feb 2013 19:51:14 -0500
>> To: geoffrey at jeremy.mv.com; arc5 at mailman.qth.net
>> From: wlfuqu00 at uky.edu
>> Subject: Re: [ARC5] An "Extra Class" Question:
>>
>> I said pre 70s Don't know when they stopped asking questions about plate
>> modulations.
>> Surely none after 70.
>> There were questions on AM when I took my general in 63.
>> 73
>> Bill wa4lav
>>
>>
>> At 04:41 PM 2/9/2013 -0500, Geoff wrote:
>> >I took my Extra in Boston in the summer of 67 and I dont remember 
>> >anything
>> >involving AM.
>> >
>> >Carl
>> >
>> >
>> >----- Original Message ----- From: "Bill Fuqua" <wlfuqu00 at uky.edu>
>> >To: "arc5 mail list" <arc5 at mailman.qth.net>
>> >Sent: Saturday, February 09, 2013 1:57 AM
>> >Subject: Re: [ARC5] An "Extra Class" Question:
>> >
>> >
>> >> At one time the theory part of the extra class exam was not much
>> >> easier ( it was shorter) than the First Class.
>> >>Anything having to do with modulation transformers had to be maybe
>> >>pre-1970's.
>> >>They did not have published question pools way back but the license
>> >>manuals did have examples that were close enough
>> >>for study.
>> >>73
>> >>Bill wa4lav
>> >>
>> >>
>> >>At 07:34 PM 2/8/2013 -0800, john rose wrote:
>> >>
>> >>>The question in (ahem, ahem) 'question' sounds more likely to have 
>> >>>been
>> >>>on the exam for one of the commercial tickets. I studied for the First
>> >>>Class ticket and even took the exam. I could have gotten 24 wrong and
>> >>>still pass. I got 24 right.
>> >>>----------------------------------------
>> >>> > From: neilb at ihug.co.nz
>> >>> > To: jwiley at gci.net; arc5 at mailman.qth.net
>> >>> > Date: Sat, 9 Feb 2013 14:41:50 +1300
>> >>> > Subject: Re: [ARC5] An "Extra Class" Question:
>> >>> >
>> >>> > > I can say with some confidence that this is not a question on a
>> >>> US > > ham
>> >>> > > exam. Neither the current or the previous 2 pools, dating back
>> >>> to > > 2004,
>> >>> > > has such a question. I cannot speak to exams for other countries.
>> >>> >
>> >>> > My research indicates that in the US, the Extra Class license was >
>> >>> created
>> >>> > in 1951. The question may go back that far. And the person who 
>> >>> > asked
>> >>> > is a US ham.
>> >>> >
>> >>> > 73 de Neil ZL1ANM
>> >>> >
>> >>> > ______________________________________________________________
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